#4, 5, 12, 13, 20, 21, 28, 29

Maxillary 1st Premolar

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Maxillary 2nd Premolar

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Mandibular 1st Premolar

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Mandibular 2nd Premolar

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Height of Contour

Root Depressions

Crown Shapes

Eruption and Calcification


  • 1. When do the maxillary 1st premolars begin to calcify?

  • 2. Are the maxillary premolars succedaneous teeth?

  • 3. Where do the maxillary premolars begin to calcify?

  • 4. A patient comes into your office because both of their maxillary 1st premolars have fallen out. The patient gives them to you, but doesn’t remember which one is #5 and which one is #12. Which of the following options is one way you can tell which premolar is which?

  • 5. The occlusal tables of the maxillary premolars possess how many transverse ridges?

  • 6. You are looking at tooth #12 from the mesial view (both the crown and the root). What do you expect to see?

  • 7. A patient comes into your office needing an occlusal restoration on #5. Before you put in the composite, the patient asks how many pits you are going to put on the biting surface of this tooth. How many will you put?

  • 8. A patient is telling you about a tooth that was recently extracted on their left side. They don’t remember exactly which tooth it was, but they remember the tooth had two roots. What is the likely tooth number for this tooth?

  • 9. Your patient has just undergone root canal therapy on tooth #5. You are scheduled to do a post, core, and crown. Which root would you choose to insert your post?

  • 10. From an occlusal view, what shape would the maxillary 1st premolars possess?

  • 11. Where do you expect to see the root bifurcation on a maxillary 1st premolar?

  • 12. You are looking at a radiograph of tooth #12. You see an overhanging margin on the mesial. Why do you think this happened?

  • 13. When looking at tooth #29 from an occlusal view, you notice that it has three cusps. What do you expect the shape of the occlusal groove pattern of this tooth to be?

  • 14. When inspecting a patient’s radiograph, you notice that there is a buildup of calculus on the root of #21. On the radiograph, you can’t tell exactly where on the root the calculus is. Using your knowledge of dental anatomy, where on the root do you assume the calculus to be?

  • 15. A 14 year old patient comes into your office. You notice that this patient’s mandibular 2nd premolars have not yet erupted. Assuming an average eruption time, describe the eruption of the mandibular 2nd premolars

  • 16. You are creating a crown #20. The patient previously had 3 cusps on this tooth. What important landmark should you remember to include in your crown?

  • 17. You are creating a crown on #29. When you ask the patient how that crown feels, the patient says that the buccal cusp tip feels weird. When you go to evaluate the buccal cusp tip on the crown, you see that it looks exactly the same as the buccal cusp tip on #28. Which of the following is most likely a reason why does the patient thinks the buccal cusp tip of their #29 crown feels weird?

  • 18. All premolars (maxillary and mandibular) have the same height of contour locations except for one. Which one is the exception?

  • 19. You are looking at a #20 with a square occlusal shape. When looking at this tooth from the distal side, what do you expect to see?

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Learn More Anatomy


Nelson. (2009). Wheeler’s Dental Anatomy, Physiology and Occlusion (9th ed.). Elsevier.
Scheid, Weiss, G., & Woelfel, J. B. (2012). Woelfel’s dental anatomy (8th ed.). Wolters Kluwer Health/Lippincott Williams & Wilkins.